Keep args the same as subprocess.run

src/subprocess_tee/__init__.py

@@ -134,9 +134,11 @@ def run(args: Union[str, List[str]], **kwargs: Any) -> CompletedProcess:
 
     loop = asyncio.get_event_loop()
     result = loop.run_until_complete(_stream_subprocess(cmd, **kwargs))
+    # we restore original args to mimic subproces.run()
+    result.args = args
 
     if check and result.returncode != 0:
         raise subprocess.CalledProcessError(
-            result.returncode, cmd, output=result.stdout, stderr=result.stderr
+            result.returncode, args, output=result.stdout, stderr=result.stderr
         )
     return result

src/subprocess_tee/test/test_unit.py

@@ -124,3 +124,20 @@ def test_run_with_check_pass() -> None:
     assert ours.args == original.args
     assert ours.stdout == original.stdout
     assert ours.stderr == original.stderr
+
+
+def test_run_compat() -> None:
+    """Assure compatiblity with subprocess.run()"""
+    cmd = ["seq", "10"]
+    ours = run(cmd)
+    original = subprocess.run(
+        cmd,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        universal_newlines=True,
+        check=False,
+    )
+    assert ours.returncode == original.returncode
+    assert ours.stdout == original.stdout
+    assert ours.stderr == original.stderr
+    assert ours.args == original.args

tox.ini

@@ -26,7 +26,7 @@ passenv =
     TERM
 setenv =
     PIP_DISABLE_VERSION_CHECK=1
-    PYTEST_REQPASS=14
+    PYTEST_REQPASS=15
     PYTHONDONTWRITEBYTECODE=1
     PYTHONUNBUFFERED=1
 commands =